﻿/* ==============================================================================
*
*   Copyright (c) 2010, Pierre Favier
*   All rights reserved.
*
*   NTasking is free software: you can redistribute it and/or modify it
*   under the terms of the GNU General Public License as published by the
*   Free Software Foundation.
*
*   Redistribution and use in source and binary forms, with or without
*   modification, are permitted provided that the following conditions
*   are met:
*
*   -   Redistributions of source code must retain the above copyright notice,
*       this list of conditions and the following disclaimer.
*
*   -   Redistributions in binary form must reproduce the above
*       copyright notice, this list of conditions and the following
*       disclaimer in the documentation and/or other materials
*       provided with the distribution.
*
*   THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
*   WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
*   OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
*   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
*   BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
*   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
*   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
*   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
*   ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
*   TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
*   THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
*   SUCH DAMAGE.
*
* ============================================================================== */

using System;

namespace NTasking.ValidationTests
{

    public abstract class ValidationTestTask : Task
    {

        protected IValidationTestResult Result { get; private set; }

        protected ValidationTestTask(IValidationTestResult result, int maxStackSize = 0)
            : base(maxStackSize)
        {
            Result = result;
            TaskTerminated += TerminationHandler;
        }


        private void TerminationHandler(TaskTerminationReason reason, Exception ex)
        {
            switch (reason)
            {
                case TaskTerminationReason.Completion:
                    Console.WriteLine(this + " Completed");
                    Result.TaskFinished(this);
                    break;
                case TaskTerminationReason.Abortion:
                    Console.WriteLine(this + " Aborted");
                    Result.TaskAborted(this);
                    break;
                case TaskTerminationReason.Exception:
                    TaskingException tex = ex as TaskingException;
                    if (tex != null)
                    {
                        Console.WriteLine(this + " threw " + ex.GetType().Name + " ErrorCode " + tex.ErrorCode);
                        Result.TaskThrewException(this, tex, tex.ErrorCode);
                    }
                    else
                    {
                        Console.WriteLine(this + " threw " + ex.GetType().Name);
                        Result.TaskThrewException(this, ex);
                    }
                    Console.WriteLine(ex);
                    break;
                default:
                    break;
            }
        }

    }

}
